US Bridges

CR 712 over Carmichael Creek

PoorPosted for load

Lee County, Mississippi · SEC_31_T10S_R 7E · Structure no. SA4100000000162

Built
1978
47 years old
Condition
Poor
inspected November 2024
Type
Girder and Floorbeam System
Steel
Length
61 ft
1 main span
Daily traffic
40
2021 count
Owner
County
County Highway Agency

About this bridge

CR 712 over Carmichael Creek is a steel girder and floorbeam system carrying CR 712 over Carmichael Creek in Lee County, Mississippi. It was built in 1978, so it is 47 years old, older than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 40 vehicles a day, projected to reach 60 by 2043. The structure is 61 ft (18.6 m) long and 16 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCR 712
CrossesCarmichael Creek
LocationSEC_31_T10S_R 7E
RouteCounty Highway 281
Coordinates34.17303, -88.60556
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating5.4 US tons
Inventory rating3.2 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length61 ft (18.6 m)
Longest span60 ft (18.3 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2021)
Projected traffic60 by 2043
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$413,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 712 over Carmichael Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is CR 712 over Carmichael Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.

How much traffic does CR 712 over Carmichael Creek carry?

About 40 vehicles per day (2021 count).

How long is CR 712 over Carmichael Creek?

The structure is 61 ft (18.6 m) long with a longest span of 60 ft (18.3 m) and a deck 16 ft wide.

Who owns CR 712 over Carmichael Creek?

It is owned by the County Highway Agency.